A Constrained Confirmatory Mixture IRT Model: Extensions and Estimation of the Saltus model using Mplus
In this paper, I will discuss applications, extensions, and estimation of the Saltus model, a specialized confirmatory mixture IRT model. The Saltus model is confirmatory because the number/nature of latent classes is pre-specified and prior item information is utilized for class differentiation. Su...
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| Format: | Article |
| Language: | English |
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Université d'Ottawa
2018-04-01
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| Series: | Tutorials in Quantitative Methods for Psychology |
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| Online Access: | https://www.tqmp.org/RegularArticles/vol14-2/p120/p120.pdf |